Compare 15/56 and 24/21, Which fraction is greater?

Compare 15/56 and 24/21

1^st number: 15/56, 2^nd number: 1 3/21

15/56 is smaller than 24/21

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
24/21 = 24 × 8/21 × 8 = 192/168
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
45/168 < 192/168 or 15/56 < 24/21

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